From: Sami Kerola <kerolasa@iki.fi>
Date: Sat, 13 Apr 2013 19:54:43 +0000 (+0100)
Subject: libmount: (test) check writing to a file was successful
X-Git-Tag: v2.24-rc1~578
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=69f1cad4ca824dbfc560725ee1fb6e12a7c7acef;p=thirdparty%2Futil-linux.git

libmount: (test) check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/libmount/src/lock.c b/libmount/src/lock.c
index e73edf54b4..f381e423e4 100644
--- a/libmount/src/lock.c
+++ b/libmount/src/lock.c
@@ -21,6 +21,7 @@
 #include <limits.h>
 #include <sys/file.h>
 
+#include "closestream.h"
 #include "pathnames.h"
 #include "mountP.h"
 
@@ -573,7 +574,9 @@ void increment_data(const char *filename, int verbose, int loopno)
 		err(EXIT_FAILURE, "%d: failed to open: %s", getpid(), filename);
 
 	fprintf(f, "%ld", num);
-	fclose(f);
+
+	if (close_stream(f) != 0)
+		err(EXIT_FAILURE, "write failed: %s", filename);
 
 	if (verbose)
 		fprintf(stderr, "%d: %s: %ld --> %ld (loop=%d)\n", getpid(),